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Finding the Fourth Proportional to 100,273.47, 150,393.26 and 46,971.15

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Solution

The fourth proportional to 100,273.47, 150,393.26 and 46,971.15 is: 70,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,273.47 : 150,393.26 = 46,971.15 : x
  2. Step 2: Convert to fraction form
    100,273.47/150,393.26 = 46,971.15/x
  3. Step 3: Cross multiply
    100,273.47x = 150,393.26 × 46,971.15
  4. Step 4: Simplify right side
    100,273.47x = 7,064,144,139.59
  5. Step 5: Solve for x
    x = 7,064,144,139.59/100,273.47
  6. Step 6: Final answer
    x = 70,448.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.